package sjtu.ist.warehouse4ws.dao.cust;

import java.util.List;

import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.criterion.Example;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import sjtu.ist.warehouse4ws.dao.BaseDaoHibernate;
import sjtu.ist.warehouse4ws.model.CustDomainEpc;

/**
 * A data access object (DAO) providing persistence and search support for
 * CustDomainEpc entities. Transaction control of the save(), update() and
 * delete() operations can directly support Spring container-managed
 * transactions or they can be augmented to handle user-managed Spring
 * transactions. Each of these methods provides additional information for how
 * to configure it for the desired type of transaction control.
 * 
 * @see sjtu.ist.warehouse4ws.dao.CustDomainEpc
 * @author MyEclipse Persistence Tools
 */

public class CustDomainEpcDao extends BaseDaoHibernate<CustDomainEpc> {
	private static final Logger log = LoggerFactory
			.getLogger(CustDomainEpcDao.class);
	// property constants
	public static final String DOMAIN = "domain";
	public static final String EPC = "epc";
	public static final String GROUP_ID = "groupId";
	public static final String VERSION_ID = "versionId";

	public Integer save(CustDomainEpc transientInstance) {
		log.debug("saving CustDomainEpc instance");
		Integer res=null;
		try {
			res= (Integer)getSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
		return res;
	}

	public void delete(CustDomainEpc persistentInstance) {
		log.debug("deleting CustDomainEpc instance");
		try {
			getSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public CustDomainEpc findById(java.lang.String id) {
		log.debug("getting CustDomainEpc instance with id: " + id);
		try {
			CustDomainEpc instance = (CustDomainEpc) getSession().get(
					"sjtu.ist.warehouse4ws.dao.CustDomainEpc", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(CustDomainEpc instance) {
		log.debug("finding CustDomainEpc instance by example");
		try {
			List results = getSession()
					.createCriteria("sjtu.ist.warehouse4ws.dao.CustDomainEpc")
					.add(Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding CustDomainEpc instance with property: "
				+ propertyName + ", value: " + value);
		try {
			String queryString = "from CustDomainEpc as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByDomain(Object domain) {
		return findByProperty(DOMAIN, domain);
	}

	public List findByEpc(Object epc) {
		return findByProperty(EPC, epc);
	}

	public List findByGroupId(Object groupId) {
		return findByProperty(GROUP_ID, groupId);
	}

	public List findByVersionId(Object versionId) {
		return findByProperty(VERSION_ID, versionId);
	}

	public List findAll() {
		log.debug("finding all CustDomainEpc instances");
		try {
			String queryString = "from CustDomainEpc";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public CustDomainEpc merge(CustDomainEpc detachedInstance) {
		log.debug("merging CustDomainEpc instance");
		try {
			CustDomainEpc result = (CustDomainEpc) getSession().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(CustDomainEpc instance) {
		log.debug("attaching dirty CustDomainEpc instance");
		try {
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(CustDomainEpc instance) {
		log.debug("attaching clean CustDomainEpc instance");
		try {
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}
}